Characteristics of Life

When a baby kitten becomes an adult cat, this is an example of...

• energy metabolism
• growth and development
• response to stimuli
• having cells

Your body shivers when you are cold. This is because of the concept of...

• homeostasis
• heredity
• energy metabolism
• cellular organization

Living things are made up of units called

• DNA

• Cells

• Homeostasis

• Seeds

Reproduction that only involves one parent and all offspring are identical; for example, binary fission of bacteria or amoebas.

• Asexual

• Sexual

• Division

• Addition

Reproduction that involves two cells from different parents unite to produce the first cell of a new organism.

• Asexual

• Sexual

• Budding

• Division

Living things are based on a universal genetic

code. What molecule is responsible for that code?

• RNA

• Lipid

• Protein

• DNA

The combination of chemical reactions through

which an organism builds up or breaks down

materials as it carries out its life processes is called ...

• absorption

• metabolism

• digestion

• consumption

Maintaining a stable internal

environment is called

• homeostasis

• equilibrium

• balance

• evenness

Rocks are not living because

• they never move
• they aren't needed for humans
• they are not made of cells
• they don't break down

What is a living thing?

• Reproduction
• Organism
• Development
• Homeostasis